Home / 1,666,816.18-2,300,204.16-902,872.78

Finding the Fourth Proportional to 1,666,816.18, 2,300,204.16 and 902,872.78

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Solution

The fourth proportional to 1,666,816.18, 2,300,204.16 and 902,872.78 is: 1,245,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,816.18 : 2,300,204.16 = 902,872.78 : x
  2. Step 2: Convert to fraction form
    1,666,816.18/2,300,204.16 = 902,872.78/x
  3. Step 3: Cross multiply
    1,666,816.18x = 2,300,204.16 × 902,872.78
  4. Step 4: Simplify right side
    1,666,816.18x = 2,076,791,724,506.77
  5. Step 5: Solve for x
    x = 2,076,791,724,506.77/1,666,816.18
  6. Step 6: Final answer
    x = 1,245,963.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.